X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Flog2f.c;h=e0d6a9e4b2f28697f9e0efc05273ad19de29108d;hb=c6383b7b10303457306932584fc23f24b5153a81;hp=a968984d5de4e7fce396dccf09658340ef857254;hpb=b69f695acedd4ce2798ef9ea28d834ceccc789bd;p=musl

diff --git a/src/math/log2f.c b/src/math/log2f.c
index a968984d..e0d6a9e4 100644
--- a/src/math/log2f.c
+++ b/src/math/log2f.c
@@ -21,8 +21,6 @@ two25   =  3.3554432000e+07, /* 0x4c000000 */
 ivln2hi =  1.4428710938e+00, /* 0x3fb8b000 */
 ivln2lo = -1.7605285393e-04; /* 0xb9389ad4 */
 
-static const float zero = 0.0;
-
 float log2f(float x)
 {
 	float f,hfsq,hi,lo,r,y;
@@ -33,9 +31,9 @@ float log2f(float x)
 	k = 0;
 	if (hx < 0x00800000) {  /* x < 2**-126  */
 		if ((hx&0x7fffffff) == 0)
-			return -two25/zero;  /* log(+-0)=-inf */
+			return -two25/0.0f;  /* log(+-0)=-inf */
 		if (hx < 0)
-			return (x-x)/zero;   /* log(-#) = NaN */
+			return (x-x)/0.0f;   /* log(-#) = NaN */
 		/* subnormal number, scale up x */
 		k -= 25;
 		x *= two25;
@@ -44,15 +42,15 @@ float log2f(float x)
 	if (hx >= 0x7f800000)
 		return x+x;
 	if (hx == 0x3f800000)
-		return zero;  /* log(1) = +0 */
+		return 0.0f;  /* log(1) = +0 */
 	k += (hx>>23) - 127;
 	hx &= 0x007fffff;
 	i = (hx+(0x4afb0d))&0x800000;
 	SET_FLOAT_WORD(x, hx|(i^0x3f800000));  /* normalize x or x/2 */
 	k += i>>23;
 	y = (float)k;
-	f = x - (float)1.0;
-	hfsq = (float)0.5*f*f;
+	f = x - 1.0f;
+	hfsq = 0.5f * f * f;
 	r = __log1pf(f);
 
 	/*